[R] Unequal sample sizes when calculating power
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Wed Jan 25 17:24:27 CET 2006
Farrel Buchinsky <fbuchins at wpahs.org> writes:
> Power calculations two sample test for proportions is very useful. Is there
> a way however, to get away from the two samples being of the same size. What
> would happen if one had n=15 in the one sample and n=45 in the other sample.
Take a look at
https://www.stat.math.ethz.ch/pipermail/r-devel/2003-September/027458.html
That's for t-tests, but similar modifications might be used for
power.prop.test
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